<SEC-DOCUMENT>0001193125-20-157321-index.html : 20200601
<SEC-HEADER>0001193125-20-157321.hdr.sgml : 20200601
<ACCEPTANCE-DATETIME>20200601163707
ACCESSION NUMBER:		0001193125-20-157321
CONFORMED SUBMISSION TYPE:	POS EX
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20200601
DATE AS OF CHANGE:		20200601
EFFECTIVENESS DATE:		20200601

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK MUNIASSETS FUND, INC.
		CENTRAL INDEX KEY:			0000901243
		IRS NUMBER:				223239638
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		POS EX
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-236891
		FILM NUMBER:		20933841

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		800-441-7762

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNIASSETS FUND INC
		DATE OF NAME CHANGE:	19930714

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNIINCOME FUND INC
		DATE OF NAME CHANGE:	19930517
</SEC-HEADER>
<DOCUMENT>
<TYPE>POS EX
<SEQUENCE>1
<FILENAME>d872457dposex.htm
<DESCRIPTION>BLACKROCK MUNIASSETS FUND, INC.
<TEXT>
Document 1 - file: d872457dposex.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.H(1)
<SEQUENCE>2
<FILENAME>d872457dex99h1.htm
<DESCRIPTION>DISTRIBUTION AGREEMENT
<TEXT>
Document 2 - file: d872457dex99h1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.H(2)
<SEQUENCE>3
<FILENAME>d872457dex99h2.htm
<DESCRIPTION>SUB-PLACEMENT AGENT AGREEMENT
<TEXT>
Document 3 - file: d872457dex99h2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.L(2)
<SEQUENCE>4
<FILENAME>d872457dex99l2.htm
<DESCRIPTION>OPINION AND CONSENT OF COUNSEL TO THE REGISTRANT
<TEXT>
Document 4 - file: d872457dex99l2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g872457g12e61.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g872457g12e61.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g872457g39w99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g872457g39w99.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g872457g72c90.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g872457g72c90.jpg

</DOCUMENT>
</SEC-DOCUMENT>